US5957303A - Gold pan with water delivery cups - Google Patents
Gold pan with water delivery cups Download PDFInfo
- Publication number
- US5957303A US5957303A US08/961,588 US96158897A US5957303A US 5957303 A US5957303 A US 5957303A US 96158897 A US96158897 A US 96158897A US 5957303 A US5957303 A US 5957303A
- Authority
- US
- United States
- Prior art keywords
- water
- pan
- gold
- cup
- separator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/68—Washing granular, powdered or lumpy materials; Wet separating by water impulse
- B03B5/70—Washing granular, powdered or lumpy materials; Wet separating by water impulse on tables or strakes
- B03B5/72—Washing granular, powdered or lumpy materials; Wet separating by water impulse on tables or strakes which are movable
- B03B5/74—Revolving tables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/02—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation
Definitions
- the present invention relates to wet gold panning for separating gold particles and ore from black sand. More particularly, the present invention relates to a gold pan separator having a pan with an outer rim that supports a plurality of spaced-apart water delivery cups that, during pan rotation, spills water into the pan's inner surface for greater gold particle recovery.
- a known method of retrieving more fine gold from a motorized gold pan is by adding a secondary motor and pump in order to provide a fine spray wash across the pan and spiral rib while the pan is rotating, such as shown in prior art view FIG. 2.
- the heavier gold tends to climb the spiral rib faster and move into the center of the pan where it empties into a collector (or catch) cup external of the pan along with other non-gold particles.
- the external cup has been undesirable as the external cup may tip over and lose valuable contents. Also, the contents will still need to be further separated to obtain relatively pure gold.
- the present invention is directed to an improvement of a separator for separating gold particles from gold ore.
- the separator includes a rotatable separator pan having a bottom wall, a side wall, and a rim that is mounted adjacent the side wall.
- the bottom wall and the side wall define an inner surface of the pan, beginning at the side wall adjacent the rim and culminating at a recessed hub cup at the center of the bottom wall.
- the pan further includes a spiraling surface having at least one spiral riffle spiraling inwardly on the bottom wall of the pan creating loops that spiral inwardly to the hub cup.
- the separator also includes a mounting frame for mounting the pan for rotation about an axis that extends axially through the hub cup at an angle from horizontal.
- Each spiral riffle further comprises a thin wall extending outwardly from the pan's inner surface.
- a track is formed on each loop at the lowest portion of the intersection of each riffle wall and the pan's inner surface.
- the rim includes a plurality of spaced-apart water delivery cups that are positioned along the rim. Each said water delivery cup includes an opening to receive and release water into the pan's inner surface during rotation of the pan.
- each water delivery cup collects water.
- each water delivery cup releases the collected water into the pan's inner surface to provide pulsating water spill directed toward the pan's inner surface.
- gold ore containing at least some gold particles is introduced into the pan.
- the pulsating water spill delivered by the water delivery cups aids in separating the gold particles from the gold ore and concentrating substantially clean gold particles into the hub cup.
- each water delivery cup includes a 45° angle, thereby extending the release of the water from the water delivery cups during the rotation.
- Each water delivery cup may be bolted to the rim.
- each water delivery cup is pivotally attached to the rim in order that the user may adjust how fast and where the water contents spill. Generally, the water spill is directed toward the hub cup.
- the preferred separator pan includes multiple spiral riffles forming multiple points of entry leading into the hub cup. In this manner, more gold ore and gold ore particles may enter the pan and more quickly ascend to the hub cup.
- the advantages of the present invention include 1) a system for providing pulsating water spill inside the pan's inner surface to produce substantially clean gold inside the hub cup without the need for a pump, a secondary motor, or a spray bar; 2) an insert cup in which to easily access the collected gold particles as opposed to refiltering captured gold particles and black sand from a catch cup external the separator pan; 3) an additional agitating means to further collect fine gold particles that collect on the surface tension of the body of water; and 4) a means to control the speed and placement of the water spill.
- FIG. 3 is a rear view of the frame showing the shortened belt, pulleys, and axle;
- FIG. 4 is a fragmentary pictorial view of the rear portion of the separator pan disclosing a tubular sleeve that mounts to the axle;
- FIG. 5 is a plan view of the separator pan having four spaced-apart water delivery cups mounted on a rim around the perimeter of the separator pan, and showing the insert cup (with flared side walls) inserted into the hub cup, and with the insert cup shown removed in phantom;
- FIG. 6 is a sectional view of the pan and water delivery cups taken substantially along 6--6 of FIG. 5;
- FIG. 6A is an enlarged scale fragmentary view of a portion if the bottom of the pan shown in FIG. 6;
- FIG. 8 is a sectional view of a water delivery cup collecting water during rotation at the 6:00 o'clock position taken substantially along 8--8 of FIG. 5;
- FIG. 9 is a view like FIG. 8, except that the pan has rotated such that the cup is at the 4:00 o'clock position;
- FIG. 10 is a view like FIG. 9, except that the cup is in the 2:00 o'clock position;
- FIG. 11 is a view like FIG. 10 except that the cup is in the 1:00 o'clock position;
- FIG. 12 is a pictorial view of a water delivery cup being pivotally mounted onto the rim of the separator pan, the water delivery cup also including an agitator extending downwardly from the open end of the cup and extending into the separator pan interior; and
- FIG. 13 is an alterative embodiment of the separator pan shown with eight water delivery cups mounted to the rim.
- the improved gold pan assembly 10 of the present invention is an improvement over that of the prior art, as shown in FIG. 2.
- the prior art gold pan system 2 is characterized as having a spiral separator pan 3, a frame 4, and a spray bar 5.
- the spray bar 5 sprays out a continuous spray of water directed to the pan's inner surface and the open center 6 of the pan 3.
- a separate pump 7 and a power source (not shown) must provide the water and power for the spray bar to function.
- a separate collector pan or catch cup (not shown) is external to the rear of the pan and external of the open center to catch gold particles, as well as black sand.
- an elongated housing 32 houses some of the drive components of drive unit 16, as disclosed in my aforementioned U.S. Pat. No. '294.
- a drive belt 34 extends downwardly from drive unit 16 and rotates on an axle around a first pulley 36 and a second pulley 38.
- the drive belt 34 rotates an axle 40, through which axis A1 extends, and on which the separator pan is mounted and about which it rotates.
- the drive components within housing 32 may be like those discussed in more detail in my '294 patent, except that second pulley 38 is larger than that disclosed in the second pulley of the '294 patent, and that drive belt 34 is longer than that described in the '294 patent in order to slow the rotational speed of the separator pan.
- the rotational speed is roughly in the range of one third the speed of my '294 patent (approx. 6 rpm).
- separator pan 12 of the present invention is not like that of my aforementioned U.S. patents.
- separator pan 12 includes a bottom wall 42, a side wall 44 having a top edge 46 and a bottom edge 48.
- the bottom edge 48 is connected to pan bottom wall 42.
- a rim 50 is mounted generally perpendicularly to top edge 46.
- Rim 50 may include a plurality of circular openings 52 to receive bolts that will affix a water delivery cup onto the rim (to be discussed below).
- a recessed hub cup 54 is formed at the center of pan bottom 42.
- Hub cup 54 has an open forward end 56 where the hub cup intersects pan bottom 42, a tubular side wall 58, and a closed end 60.
- a tubular sleeve 61 surrounds hub cup 54 on the rear of pan 12. This sleeve 61 mounts onto axle 40.
- An inner surface 63 which is defined by the bottom wall 42 and the side wall 44.
- a plurality of side-by-side spiral ribs, or riffles, 62 forms a spiral surface on inner surface 63.
- Each riffle 52 is positioned on inner surface 63 beginning at the bottom edge 48 of side wall 44 and radially spiraling inward to create loops that follow a spiral path, which culminates at hub cup 54.
- multiple points of entry (shown at 64 in FIG. 5) provide access to pan bottom 42 along riffles 62.
- the spiral path of the plurality of the spiral ribs 62 from the multiple points of entry 64 culminates at the hub cup 54 and moves in the same direction as the motor.
- the spiral path would be rotating in a counter-clockwise direction, as shown by arrow 88.
- Each spiral riffle 62 is comprised of a thin wall 67, which includes a radially inwardly-directed surface 66. Each spiral riffle 62 also includes a radially outwardly-directed surface 68 that slopes outwardly and downwardly from the inwardly-directed surface 66.
- a track 69 is formed at the lowest portion of the intersection of each riffle wall 67 and the pan's inner surface 63. It is this track that the gold particles travels in order to be separated from the gold ore and to concentrate into the hub cup.
- Insert cup 70 such as of the type disclosed in my U.S. Pat. No. 5,788,293, issued Aug. 4, 1998, is received into hub cup 54 in order to access the filtered gold particles easily during separation.
- Insert cup 70 includes a tubular side wall 72, a planar bottom wall 74, an open end 76, and a center post or handle 78, which is formed as part of insert cup 70.
- Handle 78 is used for removing and replacing insert cup 70 into and out from hub cup 54.
- Tubular side wall 72 includes a flared rim 73 (FIG. 7) or, alternatively, a tapered side wall (FIG. 6) to provide a frictional engagement of insert cup 70 into hub cup 54.
- one of the main improvement of the present invention is the addition of a plurality of water delivery cups 80 having a tubular side wall 82, a closed end formed by and end wall 84, and an open end 86, thus forming an inherent opening in which water can be received into and released (spilled) from.
- Each water delivery cup 80 is mounted to rim 50 via a bolt 81 (FIG. 10) that is received into tubular side wall 82 and into circular opening 52 on rim 50.
- a lock nut 83 threads a bolt 81 to abut rim 50 and secure cup 80 to rim 50.
- each water delivery cup 80 is pivotally bolted to rim 50 such that its open end 86 is adjustably directed inwardly of pan 12 at various angles by the prospector for reasons that will be discussed further below.
- each cup 80 is a 1" diameter PVC 45° elbow that provides two functions. First, the angle on the side wall maintains the compact size of the gold pan as the cups do not need to extend outwardly of the rim to a great degree. Second, the angle of the elbow provides a method of releasing the water contents (to be discussed below) at various times over the rotation of the pan.
- the present invention adequately functions with straight side wall cups, as well.
- water delivery cups 80 there are four water delivery cups 80 that are mounted relatively equi-distantly spaced-apart on separator pan rim 50. However, any number will work. An alternate number of cups (eight) are shown generally equi-distant on the pan rim in FIG. 13.
- the gold pan 10 is positioned within a stream or other shallow bed of water.
- a portion of the pan and its side wall below the axis A1 (as best shown in FIG. 1) is immersed in the water.
- each water delivery cup collects water when the water delivery cup is in the water.
- the cup will empty (spill) its water contents when above the axis A1 through the force of gravity into and over the pan's inner surface and onto the spiral riffles.
- FIG. 8 shows a cup in the 6:00 o'clock position filled with water. At the 4:00 o'clock position (FIG. 9), the water is pouring out of the cup. By the 2:00 o'clock position (FIG.
- the cup is beginning to empty with a full stream spilling out.
- the cup is nearly empty and will rotate around to collect water again at approximately the 7:30 o'clock position.
- there are preferably four spaced-apart cups there is a gentle pulse of water that continually, but intermittently, washes over the pan's inner surface and spiral riffles. This means there is a brief time when water from the cups does not fall onto the pan's inner surface. The benefit of this process will be discussed further below.
- separator pan 12 is rotated in the direction of arrow 88 as gold ore, dirt, sand, and other debris (hereinafter referred to as “gold ore” and not shown) is introduced into separator pan 12.
- gold ore As separator pan 12 rotates about axle 40, gold particles move along each spiral riffle 62 inwardly along pan bottom 42 and along the spiral path into insert cup 70 of hub cup 54. The gold particles ultimately collect within insert cup 70. Normally, a small amount of non-gold particles also collect into insert cup 70.
- the pulsing action of the water delivery cups 80 functions to allow the heavier gold particles to spiral up riffles into the insert cup 70.
- the insert cup 70 contains substantially pure gold particles, as opposed to the prior art that generally requires resifting. Additionally, no pump, additional motor, or extra wiring is required.
- the delivery cups provide a lightweight and inexpensive alternative to the steady stream pump, which may clog, during use.
- fine gold particles tend to cling to the inwardly-directed surface 66 and rotate around with the separator pan 12. As the fine gold particles contact the water surface of the spiral rib during rotation, the fine gold particles tend to displace from the inner surface and begin to float on the water surface. The pulsing water spills the fine gold particles upwardly as they clump together to sink into track and up to the hub cup. Between alternate spills from the water delivery cup, the wet riffles in the wet pan continue to deliver fine gold that would otherwise wash away by the spray bar of the prior art.
- each cup may be adjusted in accordance with the environment and conditions at the time of prospecting. For example, all cups may be angled at the same angle as measured from the rim to be directed inwardly toward the pan's inner surface. Each water delivery cup will spill faster if the open end of each cup is directed toward the center of the pan 12. If each water delivery cup is adjusted so that the open end is directed more closely to the multiple points of entry, the water is held in the cup longer, spilling later.
- the prospector may wish to adjust only one or two of the cups relative to the other cups, depending on the type of pulsating water spill the prospector desires.
- FIGS. 6 and 12 Another feature of this invention is better seen in FIGS. 6 and 12, wherein an elongated agitator (bolt) 90 extends downwardly into the pan's inner surface and adjacent the side wall.
- the bolt extends from the tubular side wall 82 adjacent the open end 86.
- bolt 90 acts to agitate by creating a small amount of water turbulence adjacent side wall 44 to untrap any raw gold particles that clump between pan side wall 44 and pan bottom 42. In this way, the untrapped material can sink in order to readily enter the loops of the spiral riffle.
- agitator 90 agitates material below the water surface to cause lighter material to be tossed about, while heavier gold particles are moved by the spiral riffle 62 upwardly into insert cup 70 of hub cup 54.
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- Centrifugal Separators (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/961,588 US5957303A (en) | 1996-11-01 | 1997-10-31 | Gold pan with water delivery cups |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2986196P | 1996-11-01 | 1996-11-01 | |
US08/961,588 US5957303A (en) | 1996-11-01 | 1997-10-31 | Gold pan with water delivery cups |
Publications (1)
Publication Number | Publication Date |
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US5957303A true US5957303A (en) | 1999-09-28 |
Family
ID=26705418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US08/961,588 Expired - Lifetime US5957303A (en) | 1996-11-01 | 1997-10-31 | Gold pan with water delivery cups |
Country Status (1)
Country | Link |
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US (1) | US5957303A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD757142S1 (en) * | 2015-05-08 | 2016-05-24 | Michael Pung | Banjo shaped gold pan |
US20180071781A1 (en) * | 2016-09-09 | 2018-03-15 | Joseph J. Martori | Making an ore separation wheel |
US11253868B2 (en) | 2016-12-22 | 2022-02-22 | George Wannop | Gold panning machine |
US11285512B2 (en) | 2020-07-30 | 2022-03-29 | Allen Robert Barnett | System, method and apparatus for a vacuum driven gold sifter |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU317422A1 (en) * | Т. И. Незнамов , М. И. Левин | WASHING DEVICE | ||
US1081421A (en) * | 1913-06-26 | 1913-12-16 | Harry Hertzberg | Ore-concentrating machine. |
US1985513A (en) * | 1932-05-24 | 1934-12-25 | Clyde F Mccleery | Concentrator |
US1985514A (en) * | 1933-05-01 | 1934-12-25 | Clyde F Mccleery | Concentrator |
US1986778A (en) * | 1933-07-31 | 1935-01-01 | Hinkley Paul | Ore separator |
SU391861A1 (en) * | 1971-05-03 | 1973-07-27 | ELEVATOR WHEEL | |
US4008152A (en) * | 1975-09-15 | 1977-02-15 | Johnny Hilmer Kleven | Metal separating process and apparatus |
US4389308A (en) * | 1981-11-19 | 1983-06-21 | Cleland Keith B | Apparatus for separating ores |
US4406783A (en) * | 1981-11-19 | 1983-09-27 | Cleland Keith B | Apparatus for separating ore |
US5273165A (en) * | 1992-01-06 | 1993-12-28 | Krenzler Leo M | Rotating gold pan for separating gold particles from ore |
US5275294A (en) * | 1992-01-06 | 1994-01-04 | Krenzler Leo M | Rotating gold pan for separating gold particles from ore |
US5788293A (en) * | 1996-09-06 | 1998-08-04 | Krenzler; Leo M. | Gold pan with agitator knobules and insert cup |
-
1997
- 1997-10-31 US US08/961,588 patent/US5957303A/en not_active Expired - Lifetime
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU317422A1 (en) * | Т. И. Незнамов , М. И. Левин | WASHING DEVICE | ||
US1081421A (en) * | 1913-06-26 | 1913-12-16 | Harry Hertzberg | Ore-concentrating machine. |
US1985513A (en) * | 1932-05-24 | 1934-12-25 | Clyde F Mccleery | Concentrator |
US1985514A (en) * | 1933-05-01 | 1934-12-25 | Clyde F Mccleery | Concentrator |
US1986778A (en) * | 1933-07-31 | 1935-01-01 | Hinkley Paul | Ore separator |
SU391861A1 (en) * | 1971-05-03 | 1973-07-27 | ELEVATOR WHEEL | |
US4008152A (en) * | 1975-09-15 | 1977-02-15 | Johnny Hilmer Kleven | Metal separating process and apparatus |
US4389308A (en) * | 1981-11-19 | 1983-06-21 | Cleland Keith B | Apparatus for separating ores |
US4406783A (en) * | 1981-11-19 | 1983-09-27 | Cleland Keith B | Apparatus for separating ore |
US5273165A (en) * | 1992-01-06 | 1993-12-28 | Krenzler Leo M | Rotating gold pan for separating gold particles from ore |
US5275294A (en) * | 1992-01-06 | 1994-01-04 | Krenzler Leo M | Rotating gold pan for separating gold particles from ore |
US5788293A (en) * | 1996-09-06 | 1998-08-04 | Krenzler; Leo M. | Gold pan with agitator knobules and insert cup |
Non-Patent Citations (4)
Title |
---|
Advertisement Desert Fox Gold Panning Machine by Camel Mining Products, P.O. Box 3179, Quartzsite AZ 85345. * |
Advertisement--"Desert Fox Gold Panning Machine" by Camel Mining Products, P.O. Box 3179, Quartzsite AZ 85345. |
Article How to soup up your Gold Magic, Panning machine and make it faster than a speeding bunny. By George Yogi Houchens, Sacramento CA. * |
Article--"How to soup up your Gold Magic, Panning machine and make it faster than a speeding bunny." By George "Yogi" Houchens, Sacramento CA. |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD757142S1 (en) * | 2015-05-08 | 2016-05-24 | Michael Pung | Banjo shaped gold pan |
US20180071781A1 (en) * | 2016-09-09 | 2018-03-15 | Joseph J. Martori | Making an ore separation wheel |
US10384233B2 (en) * | 2016-09-09 | 2019-08-20 | Joseph J. Martori | Ore separation wheel |
US10532380B2 (en) * | 2016-09-09 | 2020-01-14 | Joseph J. Martori | Making an ore separation wheel |
US11253868B2 (en) | 2016-12-22 | 2022-02-22 | George Wannop | Gold panning machine |
US11285512B2 (en) | 2020-07-30 | 2022-03-29 | Allen Robert Barnett | System, method and apparatus for a vacuum driven gold sifter |
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